Home / 1,173,421,761,347.20-1,760,132,642,020.80-419,656,457,948.80

Finding the Fourth Proportional to 1,173,421,761,347.20, 1,760,132,642,020.80 and 419,656,457,948.80

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Solution

The fourth proportional to 1,173,421,761,347.20, 1,760,132,642,020.80 and 419,656,457,948.80 is: 629,484,686,923.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,173,421,761,347.20 : 1,760,132,642,020.80 = 419,656,457,948.80 : x
  2. Step 2: Convert to fraction form
    1,173,421,761,347.20/1,760,132,642,020.80 = 419,656,457,948.80/x
  3. Step 3: Cross multiply
    1,173,421,761,347.20x = 1,760,132,642,020.80 × 419,656,457,948.80
  4. Step 4: Simplify right side
    1,173,421,761,347.20x = 738,651,030,070,512,159,031,296
  5. Step 5: Solve for x
    x = 738,651,030,070,512,159,031,296/1,173,421,761,347.20
  6. Step 6: Final answer
    x = 629,484,686,923.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.